EP0128371A2 - Check for a tilting door or window with a pivoting and sliding bar - Google Patents

Abstract

1. Open position stay for an at least tiltable leaf of a window, a door or the like, comprising, mounted on the leaf (5) in rotatable and slideable manner, a leaf-opening arm (1) which, at its end (20) associated with the lead, is connected by a stud-hole connection (22, 23) to a sliding block (21) located on top and adapted for displacement in the longitudinal direction of the upper cross rail (4) of the leaf, there being constructed on the sliding block a rotatably mounted locking element (24) which in its locked position is secured against rotation byt is nevertheless releasable, being constructed as a double-armed lever of which one arm constitutes an actuating means (32) while its other arm (33), when in the locked position, engages over the end (20) of the leaf-opening arm, characterized in that the locking element (24) comprises à rotation-preventing projection (24), a lug or the like, which engages a guide slot (26) in the leaf, the said rotation-preventing projection (25) being carried on one lever arm, at least this lever arm (32) being resiliently bendable.

Description

A whole series of requirements are imposed on such display devices, such as, for example, compact design, robustness in operation, inexpensive manufacture and assembly with as few machining operations on the frame as possible. Also of particular importance is the operational safety, which is in a way related to the installation of the opening device on the sash and fixed frame.Finally, the opening device should, as I said, be easy to install, but on the other hand it should hold the sash securely in order to prevent accidents caused by a falling sash .

Accordingly, it is an object of the invention to develop the opening device of the type mentioned at the outset in such a way that the particularly easy-to-use wing is connected absolutely securely to the most compact opening device.

To achieve this object, it is proposed according to the invention that the opening device is designed according to the preamble of claim 1, corresponding to the characterizing part of this claim. The pin-hole connection of the extension arm and wing ensures a simple and quick connection when using the simplest connecting elements, namely a pin and a hole, the latter preferably being at the wing-side end of the opening arm. With the help of the adjustable locking element you can secure this pin-hole connection. Because the securing element is adjustable, it can be brought into an unlocked position for hanging and unhooking the extension arm. In the securing position, the securing element overlaps, for example with a free end, the hooked-in end of the raising arm so that it cannot be lifted off by pins on the slider.

In a further development of the invention it is proposed that the securing element is rotatably mounted on the slider and is held in a non-rotatable but triggerable manner in its securing position. One possible way of locking the securing element against twisting is to have a latching or snapping connection between the securing element and the sliding piece in the siche provision. According to another preferred variant of the invention, however, it is proposed that the securing element engages in a guide groove of the wing by means of an anti-rotation attachment, a nose or the like. So there is no immediate fixing of the securing element on the slider, but a non-rotatable retention of the securing element in its securing position via a guide groove of the wing, which prevents the rotation of the securing element in any possible shift position. The turning is made possible by a suitable measure, which is explained in more detail below, and is absolutely safe against self-triggering.

In a further embodiment of the invention, the guide groove is located on a guide rail attached to the upper wing spar, which at the same time also forms a longitudinal guide for the slider. This guide rail can thus be used in two respects and this saves a separate locking device between the securing element and the slider.

A particularly preferred embodiment of the invention provides that the guide rail substantially has a U-shaped cross-section, the free U-limb ends dun for education ^g are angled from Aushebe fuse strips inwardly against each other the way for the slider and the gap between the retaining strips, the Guide groove for the anti-rotation attachment of the security element. For example, the guide rail can be inserted immovably in a groove of conventional dimensions on the upper side of the upper wing cross member. The lifting safety bars create a channel that narrows towards the outside, which, although it allows an unimpeded movement of the slide, prevents its lifting perpendicular to the direction of movement. In the case of pedarfs, the lifting safety bars can be widened, so that outwardly protruding fastening bars are created.

The securing element is designed in a very expedient manner as a rotatably mounted, double-armed lever, one lever arm of which forms an actuating handle and the other lever arm of which extends over the extending arm end in the securing position. In view of a compact design, it is particularly provided that this other end of the stay is bent twice in opposite directions, so that the securing element can be placed directly on the slider. The double offset is dimensioned according to the thickness of the extension arm. The shape of the handle depends on the local conditions, but if possible it should not protrude beyond the level of the free, bent end piece. However, this readily enables a very favorable shape, for example as an inclined bracket or the like, to be provided for the handle. Another embodiment of the invention provides that the securing element carries the anti-rotation attachment on its one lever arm and that at least this lever arm is resiliently bendable. If the latter is raised elastically far enough, the anti-rotation projection emerges from the guide groove of the guide rail, and one can then subsequently turn the securing element at least so far that the end of the arm is free. If the securing element is made of sheet metal and the anti-rotation attachment is shaped for punching and bending, the one lever arm is approximately bow-shaped, which is resilient enough to be lifted, and yet enables a relatively rigid anti-rotation attachment.

A further variant of the invention provides that the securing element can be rotated to a limited extent, preferably only in one direction of rotation, and the fold of the fixed frame when the sash is tilted lies in the range of motion of the lever arm of the securing element pointing in the rotational position against the fixed frame. With this safety device, the safety is optimal insofar as the safety element, depending on the angle of rotation and training when the tilted wing closes, either automatically goes into its safety position or prevents it from fully closing in the tilting direction, so that attention is automatically drawn to the safety device not in the working position becomes. If you set the maximum possible angle of rotation of the securing element to approximately 45 °, the securing element becomes When closing the tilted sash, it is automatically rotated in the direction of the safety position if it hits the fold of the fixed frame. However, you have to ensure by suitable shaping that the resilient engagement of the anti-rotation attachment in the guide groove of the wing or the guide rail can take place automatically. If ran instead provides a maximum rotation of the securing element by 90 ° with respect to its securing position, i.e. its longitudinal axis extends perpendicular to the longitudinal axis of the wing spar or to the wing plane, then the end of the securing element pointing against the fixed frame hits the fold of the fixed frame no turning back. Instead, this end acts as a stop that ends the tilt-closing movement prematurely, ie before the leaf reaches the closed position. In this case, the wing must be returned to the tilting position in order to subsequently transfer the securing element into its working position. The sash can now be fully tilted back into the closed position without obstruction by the safety element.

In an opening device with a support arm rotatably and slidably mounted on the extension arm, the frame-side end of which is rotatably mounted on a pushing element displaceable on the upper cross member of the fixed frame, it is proposed in a further development of the invention that the pushing element is formed at least in two parts and the part with the supporting handlebar part a verb manure part is coupled via a releasable securing device, which at the same time forms a length adjustment device for the thrust member. By means of this thrust member, the opening scissors consisting of the extension arm and support arm can be opened and closed in a known manner. In addition, as is known per se, it also takes on other control and working functions of the window or the door or the like. The pushing element is moved either by hand or by means of an auxiliary person, if necessary in sections. The manual operation takes place, for example, via a gear, which can also be designed as a 3-position gear so that the sash can not only be tilted, but also turned and locked, provided that the other fitting parts, in particular the opening device, allow this. The two-part design of the thrust link on the upper cross member of the fixed frame - other separate or coupled shoe links may be present on the other bars - has the purpose on the one hand of keeping the various parts or assemblies of the display device in a reasonable size and on the other hand an adaptation to the different Sash widths easy and simple to make possible. In addition, a slight fine adjustment and, if necessary, a compensation of tolerances should be made possible with the aid of the length adjustment device. In addition, it is required that one can easily and simply connect these two parts of the thrust link and, if necessary, release them again. The tools required for this must be simple and generally available. The adjustment should be possible quickly and safely and secured against unintentional loosening be. The connecting part serves for the releasable fastening of the part of the thrust member which is further away from the support link with the push link part on the support link side.

It is particularly advantageous that the length adjustment device consists essentially of an adjustment piece that can be connected to one thrust link part and a receptacle for this on the other thrust link part, the adjustment piece and the receptacle being coupled and lockable in the longitudinal direction of the thrust link. After releasing the device providing the locking, the displacement can be carried out, which can optionally be preceded or superimposed by a further movement, for example a slight lifting movement. The latter is particularly necessary if the adjusting piece and the receptacle are coupled in a form-fitting manner in at least one longitudinal toothing in a further embodiment of the invention. “Longitudinal toothing” here means a toothing in the longitudinal direction of the thrust member, the teeth running transversely, in particular perpendicularly thereto.

Another preferred embodiment of the invention is that the receptacle is designed in the manner of a quadrangular frame in which the adjustment piece is inserted, the frame on its opposite longitudinal sides each having a toothing which has a counter toothing on the two longitudinal sides of the Adjusting piece interacts. So that's one gradual length adjustment possible. The toothing of the frame is longer than that of the adjustment piece or as the length of the adjustment piece, the length difference between the adjustment piece length and the clear frame length determining the maximum adjustment range.

The two teeth of the adjusting piece and the receptacle form an angle of in particular approximately 90 ° with one another in a very expedient manner. This creates a prism-like receptacle for the adjustment piece. The latter has to be slightly raised for adjustment and then moved before it is lowered again.

A further development of the invention provides that the receptacle is located between the adjusting piece and the head of a locking screw, which is screwed into a thread of the adjusting piece in a captive manner. This screw is dissolved by means of a suitable tool, for example by means of an Allen key so far that the adjusting piece can be sufficiently ben ^dix eho-. After reaching the new final position, the screw is tightened again.

In a further embodiment of the invention it is provided that the adjusting piece has on its from the screw head of the Sicherun sschraube surface facing away ^g an essentially bolt-like Verdrehsi- cherun ^g sansatz provided with a Verdrehsicherungsdurchbruch together forms the releasable securing device acting in the manner of a bayonet lock for the two thrust member parts. Accordingly, the anti-rotation attachment has radially projecting tabs on opposite sides, for example, which cooperate with corresponding grooves of the anti-rotation opening in the coupling position of the two thrust member parts. After coupling, the two parts of the thrust link, in particular perpendicular to one another, are brought into the extended position. The "bayonet" is then closed and the connection, which is secure and precise in terms of length, is established.

Another embodiment of the invention provides that the connecting part of the thrust member is connected to the horizontal thrust member of a corner deflection via an additional securing device. Via the latter, a secure connection of the two-part thrust member to that of an upper Fekunlenkung of the fixed frame can be made. The vertical thrust member part of the corner drive can, for example, be directly or indirectly coupled with the aforementioned gear or other drive.

In a preferred embodiment of the invention it is provided that the additional securing device is also designed in the manner of a bayonet lock, with an anti-rotation breakthrough on the horizontal pushing element of the corner deflection and a bolt-like, rotatable at the associated end of the pushing element connecting gel part of the two-part pushing element stored anti-rotation element is located. Accordingly, these two thrust link ends to be connected to one another can already assume an extended position during the connection, because here the Bejonett locking is effected by independent rotation of the anti-rotation element. The latter is consequently designed to be actuated by a conventional tool, for example a hexagon wrench.

A wide variety of corner drives are known. They can be assigned to both the outside and the inside corner of a frame. If the inner corner is assigned, appropriate receptacles must be available on the frame. If, as provided for in the subject matter of the invention, there is a concealed opening device, then an opening must be milled from the fold in the "internal" corner deflection in the fixed frame - in the case of wooden frames - by coupling the vertical drive rod of the fitting to the vertical thrust member of the corner deflection to enable. In addition, a breakthrough for a fork must be milled from above, which is attached to the vertical linkage and engages in a fin link of the corner deflection. These millings are comparatively cumbersome and require a great deal of work. The same applies to frames made of profiles made of plastic or metal.

In order to create a further improvement in this regard, it is proposed in a further embodiment of the invention that On the outside of the vertical leg of the corner deflection housing, a rail-shaped fastening attachment is fastened with a guide groove for a drive rod of the vertical leg of the fixed frame, a guide groove of the vertical leg adjoining the guide groove of the fastening attachment and a coupling element of the corner deflection protruding into the guide groove of the fastening attachment . The guide groove of the fastening attachment preferably has an approximately U-shaped cross section and it is expediently open to the edge perpendicular to the wing plane. So if you place this corner deflection on the impact side of the frame, which has a correspondingly large cutout, the guide grooves of the fastening projection and the vertical leg of the fixed frame are automatically extended from one another, preferably with the same cross-sectional shape and size. The coupling element mentioned is in connection with the vertical part of the corner deflection means of the corner deflection or the vertical thrust member of the corner deflection. As a result, the sliding movement originating from a gear or other device can be transmitted via the corner deflection to the two-part thrust member located above, in order to thereby at least cause the wing to tilt with the aid of the opening device.

Another variant of the invention provides that at least one strip-shaped support attachment is arranged on the outer surface of each leg of the corner deflection housing, in particular In the area of the support lugs there are fastening holes for the corner deflection. This corner drive is particularly suitable for plastic or aluminum windows. In their frame profiles, grooves of different depths are provided in the level. The corner deflection can be securely supported in the groove base using the lugs. However, because the grooves can be of different depths, a slight adjustment can be made by possibly working through the approaches somewhat.

In an opening device with a push-off bolt, it is proposed in a further development of the invention that the push-off bolt interacts with an inclined surface which is located on a push-off piece which is rigidly connected to the thrust member, the inclined surface running in particular in an arc shape. With such opening devices or opening scissors, the problem of the scissors spreading, which initiates the start of the tilting movement, arises again and again. As soon as the extension arm and the support arm have moved beyond the extended position by a certain amount, the further opening usually does not cause any particular difficulties. However, the initial tilting movement requires a ^g ut functioning, but also of simple design and robust Push-off in most cases. Such a result arises when using the push-off piece mentioned above and the push-off bolt. The exact course of the sloping surface of the push-off piece depends on the assignment of the push pin with the sash tilted and the other articulation points relevant for the tilt opening.

In a stay mechanism with eineir lock idle stroke of the pusher member, which corresponds to the _A precedes usstellhub in locked wing, it is very advantageous that the Abdrückbolzen to od. Like. With closed-out device between the Abdrückstück and facing against the corner deflection end of the supporting arm is located, on which a locking projection is arranged, the latter being in the pivoting movement range of the push-off bolt or the like when the wing is closed and locked. Pei this device is in fact locks the shears at ^g eschlos- senem wing also in itself. During the idle stroke, this lock is released and then the push-off device then comes into action if the sash is to be tilted.

In a development of the invention, it is proposed that the opening device be designed according to claim 22. Despite the smallest dimensions, these opening scissors guarantee perfect opening and closing and they fit into the usual profiles made of plastic and aluminum. Of course, it can also be installed in wooden windows, as already explained above. The usual rebates, as used in turn-tilt fittings, can be used without additional milling work.

Further refinements result from claims 23 to 25 and the following description of exemplary embodiments.

• Fig. 1 eine Draufsicht auf die in ein Fenster oder eine Tür eingebaute Vorrichtung bei gekipptem Flügel,
• Fig. 2 eine Seitenansicht der Ausstellvorrichtung mit Eckumlenkung,
• Fig. 3 eine Draufsicht auf die Ausstellvorrichtung ohne Eckumlenkung zu Beginn der Kipp-Ausstellbewegung,
• Fig. 4 eine der Fig. 3 entsprechende Darstellung bei gekipptem Flügel,
• Fig. 5 die Eckumlenkung der Ausstellvorrichtung mit der oberen Ecke eines zugehörigen Holzrahmens,
• Fig. 6 eine andere Ausführungsform einer Eckumlenkung,
• Fig. 7 in vergrößertem Maßstab die Einzelheit VII der Fig. 2,
• Fig. 8 im gleichen Maßstab die Einzelheit VIII der Fig. 2,
• Fig. 9 perspektivisch die Einzelheit IX der Fig. 1, jedoch ohne Flügel bei eingehängtem Ausstellarm,
• Fig. 10 eine dementsprechende Darstellung bei ausgehängten Einstellarm,
• Fig. 11 die Unterseite des waagerechten Schubgliedteils einer Eckumlenkung,
• Fig. 12 die Unterseite des einen Teils eines zweiteiligen Schubglieds.

The drawing shows such embodiments. Here represent:

• 1 is a plan view of the device installed in a window or door with the wing tilted,
• 2 is a side view of the display device with corner deflection,
• 3 is a plan view of the opening device without a corner deflection at the beginning of the tilt-up movement,
• 4 a representation corresponding to FIG. 3 with the wing tilted,
• 5 the corner deflection of the opening device with the upper corner of an associated wooden frame,
• 6 shows another embodiment of a corner deflection,
• 7 on an enlarged scale the detail VII of FIG. 2,
• 8 on the same scale, detail VIII of FIG. 2,
• 9 is a perspective view of the detail IX of FIG. 1, but without a wing when the extension arm is suspended,
• 10 is a corresponding representation with unhooked adjustment arm,
• 11 the underside of the horizontal thrust member part of a corner deflection,
• Fig. 12 shows the underside of one part of a two-part thrust member.

The extension arm 1 is rotatably mounted on the upper cross member 2 of a fixed frame 3. Its other end is rotatably and slidably coupled to the upper cuerholm 4 of a wing 5, for example a window. A support arm 6 is articulated on the extension arm 1 so that it can be rotated and pushed. Its frame-side end 7 is rotatably coupled to a thrust member 9 via a bearing 8.

The arm 1 and support arm 6 are connected via two pin-slot connections. A first pin 10 on the support arm 6 engages in a first, angular slot 11 on the extension arm 1. A second pin 1C on the extension arm 1 cooperates with a second arcuate or angular slot 13 on the support arm 6 in the manner of a sliding block. Beige closed wing run a straight slot part 14 of the first angular slot 11 and an at least approximately straight slot part 15 of the second angular or arcuate slot 13 approximately in an extension of one another or in the longitudinal direction of the thrust member 9, as can easily be imagined on the basis of FIG. 3 can. The sloping slot parts 16 of the slot 11 and 17 of the slot 13 are assigned to each other. They point counter to the tilt opening direction 18 of the wing 5 and are quasi together, but in different planes.

The first pin 10 and the second pin 12 and an axis of rotation 19 of the support arm 6 on the thrust member 9 lie with the wing tilted (FIG. 1) approximately in a longitudinal center plane of the support arm 6. Here, as shown in FIG. 1, the first pin 10 is located on the support arm 6 between the second pin 12 on the extension arm 1 and the frame-side axis of rotation 19 of the support arm 6, but the distance between the two pins is substantially smaller than that between the first pin 10 and the axis of rotation 19. It is less than the width of the extension arm 1, which also corresponds approximately to the width of the support arm 6 and the thrust member 9.

The wing-side end 20 of the extension arm 1 is detachably connected to a slider 21 via a pin-and-hole connection (FIG. 9). The pin 22 is located on the slider 21, while the end 20 has the hole 23. A securing element 24 is rotatably mounted on the slider 21. In its secured position, it overlaps the extension arm end 20. It is held against rotation. For this purpose it has an anti-rotation attachment 25 which engages in a guide groove 26 of the wing 5, more precisely a guide rail 27. It is attached to the top of the upper wing cross member 4, in particular embedded in a conventionally dimensioned fitting part groove 28. As shown in FIG. 1, for example, pore grooves are open at the top. Furthermore, the slider 21 is displaceable in the direction of the double arrow 29 in the guide groove 26.

The guide rail 37 has a substantially U-shaped cross-section, its free U-leg ends being angled inwards towards one another in order to form lift-out safety strips 30, 31 for the slide piece 21. The gap between these securing strips is also the guide groove 26 for the anti-rotation attachment 25 of the securing element 34. In addition, these securing strips 30, 31 can be widened to a certain extent, so that they can also be used as support strips for the guide rail 27. In this case, the U-leg ends have a T-shaped cross section, as shown for example in FIG. 10. Furthermore, the two securing strips 30 and 31 are advantageously arched at their ends in order to allow, for example, screw heads to pass through.

The securing element 24 is a rotatably mounted, double-armed lever. One lever arm forms an actuating handle 32 and its other lever arm 33 extends over the extending arm end 20 in the securing position. It is preferably triangular. Because both the securing element 24 and the wing-side end 20 of the extension arm 1 lie directly on the flat surface of the slide 21, the other lever arm 33 is angled twice in opposite directions, the free triangular end piece then, as said, overlap the extension arm end 20. Accordingly, the handle is formed by an oblique bending of the one lever arm. The anti-rotation attachment 25 is also formed from the latter by punching and bending. It protrudes beyond the underside of the center piece of the securing element 24 in order to be able to engage in the guide groove 26. In addition, sliding lugs 34 can also be formed at this point. Accordingly, the handle has a frame-like shape, and this gives it good resilient behavior, while the other lever arm 33 is relatively stiff due to the two bends and thus ensures a secure holding action. The handle can be lifted up slightly due to its resilient behavior, as a result of which the anti-rotation attachment 25 is then lifted out of the guide groove 26. The insurance element can subsequently be rotated, for example brought into the position shown in FIG. 10. In the latter, the wing-side end 20 of the raising arm 1 can be lifted out of the pin 22. The securing element is not shown in more detail in posed only rotatable in one direction of rotation limited by a predetermined angle. This angle can be 90 °, for example according to FIG. 10. If you close the tilted wing with the locking element rotated in this way, the end pointing towards the fixed flags, for example the lever arm 33, abuts the fold of the fixed frame 3 shortly before reaching the tilt-closing end position of the wing, thereby preventing the wing from closing completely . In this way, one is reminded that the securing element has not yet assumed its securing position. Another variant is that the securing element can only be rotated about, for example, about 45 °. It is then expedient if the rotation is only possible in one direction and in such a way that the other lever arm 33 rests on the fold of the fixed frame. Particularly in connection with the wedge-shaped shape of the free lever arm end, its impact on the fold causes the securing element to rotate in the direction of its securing position. At this 45 ° position, the lever arm with the anti-rotation attachment 25 is still supported on the upper side of the widened U-leg, so that during this automatic rotation of the securing element 24 the anti-rotation attachment 25 can easily and automatically spring into the guide groove 26.

The thrust member 9, on which the support arm 6 is rotatably supported, preferably consists of two parts, namely a support handlebar-side part 35 and a connecting part 36. One of these parts, preferably the support arm part 36, is bent to allow the arrangement of the two parts in one plane. The latter are coupled via a releasable securing device 37. It is advantageously also designed as a length setting direction ^g 38.

The length adjustment device 38 consists essentially of an adjustment piece 39 which can be connected to the one thrust link part, namely the connecting part 36, and a receptacle 40 for this, which is located on the other thrust link part, namely the support arm-side part 35. The adjusting piece and the receptacle 40 are coupled to be displaceable and lockable in the longitudinal direction of the thrust member 9. The coupling takes place in a form-fitting manner via two longitudinal toothings 41. As already mentioned, these toothings extend in the longitudinal direction of the thrust member 9, their teeth extending perpendicular to this longitudinal direction. The teeth of the left and right sides expediently form an angle of in particular 90 ° with one another. Seen in the longitudinal direction of the thrust member 9, the adjusting piece 39 and thus its longitudinal toothing is shorter than the longitudinal toothing in the receptacle 40 of the support-arm-side part 35. Thus, within the scope of the length differences, these two parts can be connected to one another step by step in different assignments, thereby adjusting the length of the Make thrust link 9. By slightly lifting the adjusting piece 39 in the direction of the arrow 42, the two toothings 41 can be disengaged bring and make the longitudinal adjustment of the adjusting piece 39 relative to the support arm-side part 35 in the direction of the double arrow 43. For this purpose, however, a locking screw 45 must first be loosened, the relatively large head 44 of which rests on the underside of the frame-like receptacle 40. An internal hexagon 47 enables loosening and tightening of the screw, which is screwed into a thread 46 of the adjusting piece 39, in particular captively. After loosening the screw 45 around the necessary Petrag, the adjusting piece 39 can be raised so far that the two pairs of teeth of the longitudinal toothing 41 disengage and allow the relative displacement of the adjusting piece 39 and the part 35 on the support link.

The adjusting piece 39 carries on its screw head 44 of the Sicherun ^g sschraube 45 surface facing away from a stud-like in wesentlicken Verdrehsicherungsansatz 48, in which in the thread 46 extends, for example, Fig. 8 of the drawing shows. It has two tabs 49 and 50 projecting radially in opposite directions, which form the one fold of a bayonet-type closure with which the two parts of the thrust member 9 can be coupled to prevent them from being lifted out. For this purpose, there is an anti-rotation opening 51 on the connecting part 36 of the thrust member 9. Its diameter corresponds to that of the anti-twist projection 48. In addition, there are two groove-like extensions 52 and 53 which allow the flaps 49 and 50 to pass when the two pushing member parts are coupled together possible. This coupling takes place in a 90 ° position, as is illustrated in FIG. 8 by solid lines. The final position of the connecting part 36 relative to the support-arm-side part 35 is illustrated by dash-dotted lines, ie after the two parts have been plugged together, the connecting part 36 must be rotated by 90 ° in the direction of arrow 54.

7, the connecting part 36 of the thrust member 9 is connected to the horizontal thrust member 55 of a corner drive 57 or 57 (FIGS. 5 and 6) via an additional securing device 58. This is also designed in the manner of a bayonet catch. There is on the horizontal thrust member 55 of the corner deflection 56, 57 an anti-rotation opening 59, which corresponds to that 51 of the connecting part 36 formally. At the associated end of the thrust link connecting part 36, a bolt-like anti-rotation element 60 is provided, which, in contrast to that 48, is rotatably mounted. 11, it has on its underside a head 61 with a hexagon socket 62 for actuation by a hexagon wrench. In FIG. 7, the two parts 35 and 55 to be coupled with one another are drawn with fixed lines in a 90 ° relationship to one another, but this is not necessary in the case of a rotatably mounted anti-rotation element 60. Instead, as indicated by a dash-dotted line, these two parts can be extended from one another, with the anti-lift coupling being rotated by rotating the anti-rotation element by 90 ° will work.

Strip-shaped support lugs 65, 66, 67 are located on the outer surface of each leg 63 or 64 of the housing of the corner guide 57 (FIG. 6). At least one fastening bore 68 is expediently provided in the region of each support lug. With the aid of these support lugs, this corner deflection can be supported in a frame groove, which can correspond, for example, to that 28 of FIG. 1. The height of these support lugs is selected so that this corner deflection can be inserted into a corresponding groove in a plastic as well as an aluminum frame in such a way that the housing runs, for example, flush with the groove edge. Because the groove depths are different for these types of material, the height of the support lugs can be reduced if the groove depth is smaller. The coupling element 69 serves for connection to a drive rod, not shown, on the vertical frame leg.

On the outside of the vertical leg 17 of the corner deflection housing of the corner deflection 56 (FIG. 5), a rail-shaped fastening projection 71 with a fastening groove 72 for a drive rod of the vertical leg 73 of the fixed frame 3 is attached or formed. The fixed frame 3 has the is in the range of ^g e-set left upper corner of the fixed Pahmens a cutout 75 (wooden frame) which is dimensioned such that upon insertion of the corner 56, the guide groove 72 of the mounting boss 71 exactly in the extension of a frame-side guide groove 74 stands. In the latter, a vertical drive rod, for example coupled to a transmission or another drive, is slidably mounted. It is connected to the coupling element 69 of the corner deflection 56, which results in the up and down movement of this drive rod, a displacement movement of the horizontal thrust member 55 in the direction of the double arrow 77. From FIG. 5, fastening bores 77 for the rail-like fastening projection 71 and thus the corner deflection 56 in the cutout 75 of the fixed frame 3 can still be seen.

The aforementioned displacement of the horizontal thrust member 55 of the corner deflection 56 or 57 is transmitted from its horizontal thrust member 55 via the connecting part 36 to the support arm-side part 35, to which a push-off piece 78 is fastened (FIG. 3). At its end pointing away from the corner deflection, it carries an inclined surface 79, which is preferably somewhat hollow and cooperates with a push-off pin 80. Fr is attached to the extension arm 1, as FIG. 1 clearly shows. The bolt 80 and the push-off piece 78 together form a push-off device 81 for the opening device of the wing 5, which is designed as a stay scissors.

If the fitting provides an idle stroke, which is easily possible due to the slot parts 14, 15 at least in the area of the opening device, and that for locking and unlocking locking members, not shown, on the vertical and / or horizontal drive rod in or from corresponding striking plates on the associated wing spar, the push-off piece 78 hits the push-off pin 80 at about the end of the locking empty stroke. With a further movement of the push-off piece 78 in the direction of arrow 82, the inclined surface 79 of the push-off piece 78 causes the push-off pin 80 to move outward in the direction of arrow 18 and thus the start of the tilting movement of the wing 5.

Due to a special design of the end of the support arm 6 associated with the corner deflection 56, 57, on which a locking projection 83 is formed, the push-off bolt 81 can also be used in a double manner for locking the scissors. Because the pin 80 is located in the area of the longitudinal edge 84 of the extension arm 1 which is on the outside when the sash is closed, the locking projection 83 can step in front of these pins 80 against the arrow 82 when the empty stroke is carried out. Nevertheless, the opening scissors have a narrow design in the transverse direction. Furthermore, it can be seen, for example, from FIG. 1 that the push-off pin 80 is located between the first angular slot 11 of the extension arm 1 and the wing-side bearing 85, it being closer to the slot 11. The frame-side laser he ^g of the opening arm 1 is designated by the 86th It should also be noted that the pins 10 and 12 are at the end of their angled slot part when the wing is tilted, while they are moved as shown in FIG. 3 when the wing is tilted back into the straight or approximately straight slot part, so that subsequently the Idle stroke is possible. In addition, the upper wing end is pressed against the upper frame end.

Claims (25)

1. opening device for an at least tiltable sash of a window, a door or the like. With a pivoting and sliding mounted on the wing arm, characterized in that the arm (1) at its wing-side end (20) via a pin-hole Connection is connected to a slider (21) and an adjustable securing element (24) attached to the slider engages over the extending arm end (20) in its securing position, the slider (21) being displaceable in the longitudinal direction on the upper side of the upper wing cross member (4) . 2. Apparatus according to claim 1, characterized in that the securing element (24) is rotatably mounted on the slide (21) and is held in its secure position against rotation but can be triggered. 3. Apparatus according to claim 2, characterized in that the securing element (24) engages in a guide groove (26) of the wing (5) by means of an anti-rotation attachment (25), a nose or the like. 4. The device according to claim 3, characterized in that the guide groove (26) on a on the upper wing spar (4) attached guide rail (27), which also forms a longitudinal guide for the slide (21). 5. The device according to claim 4, characterized in that the guide rail (27) has a substantially U-shaped cross-section, the free U-leg ends for the formation of lifting safety bars (30, 31) for the slider (21) are angled inwards facing each other and the gap between the securing strips forms the guide groove (26) for the anti-rotation attachment (25) of the securing element (24). 6. The device according to claim 5, characterized in that the securing element (24) is designed as a rotatably mounted double-armed lever, one lever arm of which forms an actuating handle (32) and the other lever arm (33) engages over the extending arm end (20) in the securing position. 7. The device according to claim 6, characterized in that the securing element (24) sicherun ^g sansatz transmits the twisting (25) at its one lever arm and at least this lever arm (32) is resiliently bendable. 8. The device according to claim 6 or 7, characterized in that the securing element (24) preferably only in one rotation direction can be rotated to a limited extent and the fold of the fixed frame (3), when the sash is tilted, lies in the range of motion of the lever arm of the securing element (24) pointing in the rotational position (5) against the fixed frame (3). 9. The device according to at least one of the preceding claims, having a support arm (6) mounted rotatably and slidably on the deployment arm (1), the frame-side end of which can be rotated on a push member (9) which is displaceable on the upper cross member (2) of the fixed frame (3) is mounted, characterized in that the thrust member (9) is formed at least in two parts and the support arm-side part (35) is coupled to a connecting part (36) via a releasable securing device (37) which at the same time forms a length adjustment device (38) for the thrust member . 10. The device according to claim 9, characterized in that the length adjustment device (38) consists essentially of an adjustable with the one pushing member part (35) adjusting piece (39) and a receptacle (40) therefor on the other pushing member part (35), the adjusting piece and the receptacle in the longitudinal direction of the thrust member (9) is coupled to move and lock. 11. The device according to claim 10, characterized in that the adjusting piece (39) and the receptacle (40) are positively coupled via at least one longitudinal toothing (41). 12. The apparatus according to claim 11, characterized in that the receptacle (40) is designed in the manner of a quadrangular frame in which the adjusting piece (39) is inserted, the frame on its opposite longitudinal sides each having a toothing, each with a counter-toothing on the two long sides of the adjusting piece (39) cooperates. 13. The apparatus according to claim 12, characterized in that the two toothings (41) of the adjusting piece (39) and the receptacle (40) form an angle of in particular approximately 90 ° with one another. 14. The apparatus according to claim 12 or 13, characterized in that the receptacle (40) between the adjusting piece (39) and the head (44) of a locking screw (45), which is particularly captive in a thread (46) of the adjusting piece ( 39 is turned. 15. The apparatus according to claim 14, characterized in that the adjusting piece (39) on its surface facing away from the screw head (44) of the securing screw (45) carries an essentially bolt-like anti-rotation attachment (48) which has an anti-rotation opening (51 ) together forms the releasable securing device (37), acting in the manner of a bayonet lock, for the two thrust member parts (35, 36). 16. The device according to at least one of claims 9 to 15, characterized in that the connecting part (36) of the thrust member (9) with the horizontal thrust member (55) of a corner deflection (56, 57) is connected via an additional securing device (58). 17. The apparatus according to claim 16, characterized in that the additional securing device (58) is also designed in the manner of a bayonet lock, with on the horizontal thrust member (55) of the corner drive (56, 57) an anti-rotation opening (59) and on associated end of the thrust link connecting part (36) is a bolt-like, rotatably mounted anti-rotation element (60). 18. The apparatus according to claim 16 or 17, characterized in that on the outside of the vertical leg (70) of the corner deflection housing, a rail-shaped fastening projection (71) with a guide groove (72) for a drive rod of the vertical leg (73) of the fixed frame (3rd ) is fastened, a guide groove (74) of the vertical leg (73) adjoining the guide groove (72) of the fastening attachment and a coupling element (69) of the corner deflection (56, 57) protruding into the guide groove of the fastening attachment. 19. The apparatus according to claim 16 or 17, characterized in that on the outer surface of each leg (63, 64) of the corner Steering housing at least one strip-shaped support lug (65, 66, 67) is arranged, and in particular in the area of the support lugs there are fastening bores (68) for the corner deflection. 20. The device according to at least one of the preceding claims with a push-off pin, characterized in that the push-off pin (80) cooperates with an inclined surface (79) which is located on a push-off piece (78) which is rigidly connected to the thrust member (9) , the inclined surface (79) in particular being arcuate. 21. The apparatus according to claim 20 with a locking idle stroke of the thrust member, which precedes the opening stroke when the wing is locked, characterized in that the push-off pin (80) or the like. When the opening device is closed between the push-off piece (78) and against the corner deflection (56, 57) facing end of the support arm (6), on which a locking projection (83) is formed, the latter being in the pivoting movement range of the forcing pin (80) or the like when the wing is closed and locked. 2 ?. Device according to at least one of claims 9 to 21, characterized in that the extension arm (1) and the support arm ker (6) via two pin-slot connections are rotatably and slidably connected, a first pin (10) on the support arm (6) into a first, angular slot (11) on the extension arm (1), and a second pin ( 12) on the latter engages in a second, arcuate or angular slot (13) on the support arm (6), and in that a slot part (14, 15) of the first (11) and second slot (13) with the wing (5) closed runs approximately in the longitudinal direction of the thrust member (9), the slotted parts (16, 17) which run obliquely thereto being assigned to one another and pointing counter to the tilt opening direction (18). 23. The device according to claim 22, characterized in that the first (10) and second pin (12) and an axis of rotation (19) of the support arm (6) on the thrust member (9) with tilted wing (5) approximately in a longitudinal center plane of the support arm (6) lie. 24. The device according to claim 23, characterized in that the first pin (10) on the support arm (6) between the second pin (12) on the extension arm (1) and the frame-side axis of rotation (19) of the support arm (6). 25. The device according to at least one of claims 21 to 24, characterized in that the push-off pin (80) is located between the first slot (11) on the extension arm (1) and its wing-side axis of rotation (85).

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